Garage Insulation R Value Alberta

Exterior walls if your exterior walls are constructed from 2 by 4 inch studs the most insulation that can go into the wall while retaining its r value is r 13 or r 15 as these are both made to fit a cavity.

Garage insulation r value alberta.

It s also important to realize the value of air sealing in conjunction with insulation. By using an insulating material you can reduce the transmission of heat or cold. Conditions apply for insulation of attached garages. For instance r 16.

For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3. Thus r value is used to show the energy efficiency of a product. You can insulate the walls ceiling and door of the garage to the highest r value possible but if you fail to fill those air gaps you ll still be wasting a lot of heat. 2 x 6 wall rsi 3 52 r 20 nominal or 2 x 4 wall rsi 2 11 r12 nominal.

These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. The exterior framed walls shall be thermally insulated to a minimum nominal insulation value of rsi 2 11 r12. This number is calculated as a function of thickness of the insulator and its physical properties. Garages typically aren t built to be airtight and have lots of air gaps to the outdoors.

Finally the larger the number the better the thermal insulation of the door. Where batt loose fill insulation is used provide no less than full cavity insulation. Attic blown in insulation garage door insulation soundproofing insulation insulation r30 insulation 16x8 ceiling and wall register high impact netting.